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alb3838367

Rhyolite

Hand sample of Rhyolite, a volcanic (extrusive) igneous rock consisting of microcrystalline potassium feldspar, quartz, and minor accessory minerals. Rhyolite has an aphanitic texture; the mineral grains are too small to be seen by the naked eye.
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Title: Rhyolite
Caption: Hand sample of Rhyolite, a volcanic (extrusive) igneous rock consisting of microcrystalline potassium feldspar, quartz, and minor accessory minerals. Rhyolite has an aphanitic texture; the mineral grains are too small to be seen by the naked eye.
Credit: Album / Science Source / MARK A. SCHNEIDER
Releases: ? Model Release: No - ? Property Release: No
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Image size: 4256 × 2848 px | 34.7 MB
Print size: 36.0 × 24.1 cm | 1675.6 × 1121.3 in (300 dpi)
Keywords: APHANITE • APHANITIC • EARTH • EXTRUSIVE • FORMATION • GEOLOGIA • GEOLOGY • HAND • IGNEOUS • MINERAL • MINERALOGY • RHYOLITE • ROCK • ROCKS • ROCKY • SAMPLE • SCIENCE • SILHOUETTABLE • SPECIMEN • STONE • STONES • VOLCANIC